The bearing of the joint heads is made by plain bearings with joints type X and XD limiting the maximum permissible speed to 300 rpm. The maximum diffraction angle per joint is 45°. The precision joints type X and XD are made of stainless steel and thus corrosion-resistant. Precision joints in an extendable version are able to offset axial displacement in addition to angular and radial displacement.
Precision joints in various versions acc. to DIN 808
Precision joints consist of a joint centerpiece and two hubs that are interlinked by straps.
The bearing of the joint heads is made by plain or needle bearing selected based on the kind of application.
This bearing allows the precision joints (single joints) to compensate for significantly larger angular displacements compared to other coupling types. Double joints that have two bearings are able to offset radial displacement in addition.
Precision joints/Cardan shafts in an extendable version are able to offset axial displacement in addition to angular and radial displacement.
Precision single joints (Cardan shaft):
* Precision joint G: standard type as single Cardan shaft / joint with plain bearings for speeds up to 1,000 rpm.
* Precision joint H: precision single Cardan shaft / joint with plain bearings for speeds up to 4,000 rpm.
Precision double joints (Cardan shaft):
* Precision joint GD: standard type as double Cardan shaft / joint with plain bearings for speeds up to 1,000 rpm.
* Precision joint HD: type as single joint / Cardan shaft with needle bearings as a precision joint for speeds from 500 to 4,000 rpm and big fleet angles.
(https://www.designworldonline.com)
More About Us:
Beijing Dafang Xinhe Bearing Co., Ltd. was established in 2009. Oilfield oil machinery bearing storage center mainly include: mud pump bearings, slewing bearings, large hook bearings, small hook bearings, crane bearings, cruise bearings, top drive bearings, derrick bearings, pumping unit bearings, faucets Bearings and other petroleum machinery bearings etc.
2022 New Week DAC product Recommendation:
A pillow block usually refers to a housing with an included anti-friction bearing. A pillow block refers to any mounted bearing wherein the mounted shaft is in a parallel plane to the mounting surface, and perpendicular to the center line of the mounting holes, as contrasted with various types of flange blocks or flange units. A pillow block may contain a bearing with one of several types of rolling elements, including ball, cylindrical roller, spherical roller, tapered roller, or metallic or synthetic bushing. The type of rolling element defines the type of pillow block.
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